| Niederkassel to Selvazzano Dentro | 434.50 mi (699.25 km) |
| Niederkassel to Senago | 374.26 mi (602.31 km) |
| Niederkassel to Senigallia | 569.62 mi (916.71 km) |
| Niederkassel to Seravezza | 494.06 mi (795.11 km) |
| Niederkassel to Seregno | 370.61 mi (596.43 km) |
| Niederkassel to Seriate | 375.41 mi (604.17 km) |
| Niederkassel to Sermoneta | 700.12 mi (1,126.73 km) |
| Niederkassel to Serramanna | 792.54 mi (1,275.46 km) |
| Niederkassel to Serravalle Pistoiese | 509.74 mi (820.35 km) |
| Niederkassel to Sessa Aurunca | 739.51 mi (1,190.12 km) |
| Niederkassel to Sesto Calende | 358.83 mi (577.48 km) |
| Niederkassel to Sesto Fiorentino | 520.26 mi (837.28 km) |
| Niederkassel to Sesto San Giovanni | 378.81 mi (609.64 km) |
| Niederkassel to Sestri Levante | 465.24 mi (748.74 km) |
| Niederkassel to Sestu | 802.00 mi (1,290.69 km) |
